it is a country on the defensive, and again, both president bush and president obama have done a very good job of pushing the iranians into a corner and getting a lot of countries around will to support us with the sanctions. we ought to continue that policy, no matter who wins the election, to negotiate and be very tough-minded and prevent them from getting a nuclear weapon. host: susan is on the line, an independent. caller: good morning. thank you for c-span, and mr. burns' comments are very great. i really appreciate them. i have two questions, one regarding libya, and other regarding the difference between the two candidates for president on foreign policy. one is regarding libya. do you think that it could have been an al qaeda attacked from the get go, and even the guys who made the film in california? number one. no. 2, regarding the foreign policy issue, do you think that president obama has more of a high-tech idea of our military in the future rather than the boots on the ground type of military we have seen in the past, where we put our boys in harm's way? host: thanks, su